Note: You can adjust the setting to lock vertical/horizontal rotation and auto rotation.
Lock Horizontal / Vertical
1. Tap the "More" icon in the top bar. The menu page will pop up.
2. Tap “Lock Horizontal" to lock/unlock it.
△ By locking horizontal scrolling, you will only be able to scroll the pages vertically. △
1. Tap the "More" icon in the top bar.
2. Tap "Lock Rotation" to lock/unlock it.
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